UM4BB1 Manuals

This manual is the perfect solution for anyone looking to repair, maintain, or upgrade their ISUZU UM4BB1 1971-1990 Marine engine. It includes detailed illustrations, parts name, parts number, and all the information you need to keep your engine running smoothly. Plus, it comes with instructions for assembly and disassembly, so you can easily get the job done. Compatible with all Windows and Mac operating systems, and comes with a free Adobe Acrobat reader. Learn More